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Finding the Fourth Proportional to 8,665.97, 11,959.04 and 4,687.08

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Solution

The fourth proportional to 8,665.97, 11,959.04 and 4,687.08 is: 6,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.97 : 11,959.04 = 4,687.08 : x
  2. Step 2: Convert to fraction form
    8,665.97/11,959.04 = 4,687.08/x
  3. Step 3: Cross multiply
    8,665.97x = 11,959.04 × 4,687.08
  4. Step 4: Simplify right side
    8,665.97x = 56,052,953.77
  5. Step 5: Solve for x
    x = 56,052,953.77/8,665.97
  6. Step 6: Final answer
    x = 6,468.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.